Arsenal take on FC Basel tonight as we look for our first Champions League win of the season.
Here are the official line-ups, and Arsenal are wearing the away kit tonight because of a ruling from UEFA.
Arsenal: Ospina, Bellerin, Mustafi, Koscielny, Monreal, Xhaka, Cazorla, Ozil, Iwobi, Walcott, Alexis
Subs: Cech, Gibbs, Gabriel, Oxlade-Chamberlain, The Jeff, Elneny, Lucas
FC Basel: Vaclik, Traore, Balanta, Xhaka, Lang, Zuffi, Bjarnason, Steffen, Fransen, Suchy, Doumbia
Subs: Vailati, Gaber, Sporar, Delgado, Elyounoussi, Hoegh, Calla